The Basic Principles Of Laser Crystal
The Basic Principles Of Laser Crystal
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激光晶体是固态激光器的核心。它们是光放大发生的媒介，产生激光束。在这篇全面指南中，我们深入探讨激光晶体的世界。
On top of that, some adaptability is missing in experiments if a person cannot Check out absorbers with different thickness or doping concentration, as an example, with out exchanging the laser crystal by itself.
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激光晶体由发光中心和基质晶体两部分组成。大部分激光晶体的发光中心由激活离子构成，激活离子部分取代基质晶体中的阳离子形成掺杂型激光晶体。激活离子成为基质晶体组分的一部分时，则构成自激活激光晶体。
活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。
The utmost probable doping focus can count strongly on the host content and its fabrication process.
Laser modeling and simulation can be employed to reliably determine the optimum crystal dimensions, doping density and possibly values of more parameters.
量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。
It is clear that distinctive apps bring about extremely distinct necessities on laser achieve media. Because of this, a wide variety of various crystals are applied, and producing the appropriate choice is essential for constructing lasers with ideal functionality.
Distinctive crystalline supplies are quite distinctive about their hardness as well as other properties, which decide with which methods and how conveniently they are often Slash and polished with high quality.
For many causes, composite crystals are becoming common. These Have got a spatially various chemical composition and may be built with Particular designs.
It might be oriented for near perpendicular incidence of the laser beam, or at Brewster's angle. check here It could be fixed in a few solid mount which also functions as a heat sink. Larger crystals usually are utilized for facet pumping e.g. with higher-electrical power diode bars.
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